How To Get Two Button's Click Execute The Same Function?

Sometimes you need to execute same code for two or more button controls. That could be for example if you have long data form and you want to enable Update and Cancel buttons on top and on bottom of web form. You can solve this problem if you call the same function on buttons' events handlers, but it is more professional to use the same event handler for both button controls. You can do it with code like this:

[ C# ]

Hmm, there is no C# code for this. It looks like C# only place this information in markup code. For example, if you want the same function btnFirst_Click to be executed for two buttons, btnFirst and btnSecond, .aspx code will be: